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Finding the Fourth Proportional to 35,654.49, 49,203.60 and 19,739.22

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Solution

The fourth proportional to 35,654.49, 49,203.60 and 19,739.22 is: 27,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.49 : 49,203.60 = 19,739.22 : x
  2. Step 2: Convert to fraction form
    35,654.49/49,203.60 = 19,739.22/x
  3. Step 3: Cross multiply
    35,654.49x = 49,203.60 × 19,739.22
  4. Step 4: Simplify right side
    35,654.49x = 971,240,685.19
  5. Step 5: Solve for x
    x = 971,240,685.19/35,654.49
  6. Step 6: Final answer
    x = 27,240.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.